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VLAN C
ONFIGURATION
12-22
- Tunnel ports do not support IP Access Control Lists.
- Layer 3 Quality of Service (QoS) and other QoS features containing
Layer 3 information are not supported on tunnel ports.
- Spanning tree bridge protocol data unit (BPDU) filtering is
automatically disabled on a tunnel port.
General Configuration Guidelines for QinQ
1. Configure the switch to QinQ mode (see “Configuring the Switch for
Normal Operation or Tunneling Mode” on page 4-4).
2. Create a Service Provider VLAN, also referred to as an SPVLAN (see
“Creating VLANs” on page 12-8).
3. Configure the QinQ tunnel port to dot1Q tunnel port mode (see
“Adding an Interface to a QinQ Tunnel” on page 12-23).
4. Set the Tag Protocol Identifier (TPID) value of the tunnel port. This
step is required is the attached client is using a nonstandard 2-byte
ethertype to identify 802.1Q tagged frames. The standard ethertype
value is 0x8100. (See “Adding an Interface to a QinQ Tunnel” on page
12-23.)
5. Configure the QinQ tunnel port to join the SPVLAN as an untagged
member (see “Adding Static Members to VLANs (VLAN Index)” on
page 12-10).
6. Configure the SPVLAN ID as the native VID on the QinQ tunnel port
(see “Configuring VLAN Behavior for Interfaces” on page 12-14).
7. Configure system MTU to 1526 if jumbo frames are not enabled (see
“Configuring the Maximum Frame Size” on page 4-5).
8. Configure the QinQ uplink port to join the SPVLAN as a tagged
member (see “Adding Static Members to VLANs (VLAN Index)” on
page 12-10).